TREA

John Hartman

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air treatment system
    • Patent number D747789
    • Issue date Jan 19, 2016
    • Access Business Group International LLC
    • William T. Stoner
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Air treatment system
    • Patent number D739512
    • Issue date Sep 22, 2015
    • Access Business Group International LLC
    • William T. Stoner
    • D23 - Environmental heating and cooling